To manage a 400+ episode series, use the feature. Add all episodes to a playlist. Use the Sleep Timer (set for 15 minutes) so you don't lose your place when you fall asleep.
Pocket FM operates on a "freemium" model. While many episodes are free, later chapters often require to unlock, or you have to wait for daily free unlocks. Listeners look for downloads because: Seamless Listening: No interruptions between cliffhangers. Number Zero Pocket Fm All Episodes - Download
Unofficial rips often have distorted sound or missing segments. To manage a 400+ episode series, use the feature